Password Strength Checker
Check your password
Type or paste a password to see how strong it is.
Password strength —
Enter a password to see the analysis.
At least 8 characters
At least 12 characters
Uppercase letter
Lowercase letter
Number
Special character
No excessive repetition
No obvious sequence
Online attack · throttled
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Offline attack · fast hardware
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Your password stays in your browser. It is not sent to a server, stored in local storage, or included in a URL by this tool.
Generate a strong password
Create a random password using your browser's secure random-number generator.
Character types
Generated passwords use crypto.getRandomValues() and are created locally in your browser.